Digital video recorders and methods of use thereof

Abstract

A Digital Video Recorder (DVR) for storing video data received from an imaging device and a method thereof are provided in the present disclosure. The DVR includes a communication port configured to connect to the imaging device. The DVR also includes a processing module configured to determine whether the DVR receives video data from the imaging device through the communication port and a detection module configured to acquire an operating voltage of the imaging device. The DVR further includes a power supply switch configured to turn on or off a power supply to the imaging device based on a determination by the processing module and the operating voltage of the image device.

Dependencies are inferred from the claim text.